Best led matrix editor 16x16 This is how the animation looks like. You switched accounts on another tab or window. I’m having issues with my 16 x 16 LED matrix panels using WLED: 1. LED Matrix Magic is a project that transforms a 16x16 So I'm trying to build some 16x16 RGB LED Matrix (which really means it's 16x(16*3) for RGB, the LEDs I'm using have a common positive and individual negatives, I'm using a constant current 16x LED driver / shift register for the positive side, but I'm not quite sure the cheapest way to do the negative side. Select an image that should be shown on the matrix display. ) Draw the desired animation frame by copying and pasting the colour codes for each pixel from the Colour column to create the animation frames. 1. I downloaded some code for creating sprite images on my display. 9inch LED Panel Display Frame for Gaming Room Decor, Creative Animations Pixel Frames 4. Welcome to our DIY tutorial on building a 16x16 LED matrix display! In this comprehensive guide, we'll walk you through every step of the process, from gathe Apr 13, 2023 · 05. Press the show preview button, copy the code and replace it in the arduino code. I'm working on an online tool to generate and visualize maps for irregular and/or gapped LED layouts, for use with FastLED, Pixelblaze and other libraries. Blogged about it with all the code at Arduino: Windows simulator of driving matrices of 8x8 LED arrays. WisBlock Core (I used RAK4631). This example uses a 16x16 pixel, happy version of the WLED mascot Akemi by Aircoookie. 14. The maximum display capacity is 256 patterns composed of 16 rows and 16 commons. 3V : https://amzn. bin for ESP32 Dec 7, 2022 · Edit, save, simulate, synthesize SystemVerilog, Verilog, VHDL and other HDLs from your web browser. Oct 17, 2021 · Software for ESP32 - VSCode/Arduino/platform. We used it to illustrate some of the famous emergent structures in Conway's Game of Life as well as to demonstrate the evolution of randomly seeded colonies. I plugged the arduino into my laptop. 3in LED Matrix Flexible FPCB Dream Full Color Works with K-1000C Controller Image Video Text Display DC5V : Tools & Home Improvement ・Arduinoで16x16 LEDドットマトリックスを利用する(1) ・Arduinoで16x16 LEDドットマトリックスを利用する(2) ・Arduinoで16x16 LEDドットマトリックスを利用する(3) (この記事です) ・Arduinoで16x16 LEDドットマトリックスを利用する(4) Online tool to design fonts or images for an LED Matrix. it monitors 2 ESP8266 sensor nodes via mqtt and creates rich weather forecasts with underground. Rec Room is free, and cross plays on everything from phones to VR headsets. Go to options and select convert, in type put color in image put block size in 24 bit, depending on your matrix change the line scan direction. Congratulations just compile and it's working. How you physically position it (32x8 or 16x16) doesn't really matter. Audio Reactive LED Matrix - Code for 16x16 LED Matrix (WS2812) that reacts to sounds detected from an electret microphone, and switches modes with a momentary push button. Most of the time… Aug 9, 2021 · A NeoPixel / WS2812b controlled LED Matrix with 16x16 Pixels Easy to print: Can be printed without support, Filament… | Download free 3D printable STL models May 30, 2021 · 16 on 16 Led matrix module consist 256 WS2812 adressable Leds (Such matrices are sold at a price of 10 to 15 dollars to Aliexpress) The device also contains a DFPLAYER module that contains mp3 audio files needed for the alarm, or background sounds In the Name and Index columns, assign a unique name to each animation frame array (e. Connect the Arduino to your PC and upload the code. Forks. A pretty vivid and alive animation - a self-fertilizing one! 😉 Sometimes I can Feb 19, 2024 · Join me as I unveil the my NEW design for a sleek and functional 16x16 LED Matrix Panel enclosure! I go into the step-by-step process of designing the enclos Mar 23, 2016 · Amazon. Usage. Remember to replace the "YOUR_SSID" and "YOUR_PASSWORD" in the code with your own WiFi network name and password. h , write sprite, right shift 8 times, write sprite etc. I bought a 16x16 led matrix from Amazon, but you can find them from Aliexpress cheaper if you don’t mind the wait. 2. The code that comes with it works, but it is not commented. Cyclically shift the matrix using arrow keys with shift key; Rotate the matrix clockwise or counterclockwise using ctrl+left/ctrl+right; Flip the matrix vertically using ctrl+up/ctrl+down; Copy and Paste the matrix using ctrl+C and ctrl+V; Paste the matrix with xor mode using ctrl+shift+V; Undo the action on LED matrix using ctrl+Z I'm working on an online tool to generate and visualize maps for irregular and/or gapped LED layouts, for use with FastLED, Pixelblaze and other libraries. 3in x 6. ESP8266 NeoPixel Dashboard - ESP8266 based Neopixel dashboard, it shows current time, can show a custom message and have upto 41 prebuild effects. Used regular black PLA for the frame. Paste the copied C array into the sketch, making sure it is placed within the appropriate code section. GitHub Gist: instantly share code, notes, and snippets. 0 forks. For flicker free animation May 8, 2020 · Amazon. One of the great features of WLED is the ability to limit brightness to combat your power restrictions. Some facts: 256 RGB LEDs; 768 DMX Channels; Teensy 3. No additional software required. Just search for BTF-LIGHTING WS2812B ECO RGB Alloy Wires 5050SMD Individual Addressable 16X16 256 Pixels LED Matrix Flexible FPCB Full Color. Rec Room is the best place to build and play games together. I much liked this idea, so I installed it on my home made ESP32 16x16 LED matrix with WS2812B. Click to find the best Results for 16x16 led matrix case Models for your 3D Printer. Oct 7, 2020 · Celebrate your favorite pixel art with this great-looking display! Use any bitmap images -- up to 64 x 32 pixels in size -- and the Matrix Portal will create a slideshow of them for your viewing pleasure. Since we’re using a 16×16 matrix, we’ll need to use two Adafruit Industries, Unique & fun DIY electronics and kits Flexible 16x16 NeoPixel RGB LED Matrix : ID 2547 - For advanced NeoPixel fans, we now have a bendable, Flexible 16x16 NeoPixel LED Matrix! Control all 256 ultra-bright LEDs using a single microcontroller pin, set each LED as you wish to scroll messages or draw little images. RGBMatrixEmulator is a Python package for emulating RGB LED matrices that are normally driven by the rpi-rgb-led-matrix library. Put the link to the models in another post. Click to find the best Results for 16x16 led matrix Models for your 3D Printer. 0 license Activity. It can control the RGB intensity of each LED in the matrix individually. Since each LED needs three values, that means that we can fit at most 170 LEDs into one universe. You may also look into FastLED and WLED for controlling the matrix from the ESP. to/3A2CkTa Electrolytic capacitor 100uF 6. 2024: The automatic script to setup the Arduino IDE and WordClock code made a huge step to make the installation even more easy. It gives you a great place to start with some fun panel projects that you can take and modify yourself. 0-b1 or higher (2D Matrix support). You can solder the wires together or use Wago connectors for easy connections. Jul 23, 2020 • 26749 views • 15 respects 10000+ "16x16 led matrix case" printable 3D Models. 1 watching. Load the Arduino code LOUIS_GAN_LED_MATRIX. When I tried it, not all the led's came on and it displayed random garbage. A preview is displayed further down the web page. 2 For the envelope support structures The electrics ESP8266 : https://amzn. Okay, I was hopeful that when you said 16 bit matrix it would store a 16x16 matrix of data, but it doesnt It is only one row worth of data Soo that means you can skip the 555 because you can just clock new rows with the uC if you want you can even skip the counter if you want to use just 4 pins on the uC to control the decoder to select rows. I connected the data in to digital pin 3 as addressed in the code. We built this tool to help design fonts and graphics for 8x8 LED Matrix. Oct 18, 2019 · 16x16 Led matrix board for Arduino, Nodemcu and other Microcontrollers 3019 7 ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. io weather data. 7. There are a few extras as well, such as being able to change the brightness of the entire Hey Reddit, I made a pixel art editor for your WLED matrix. 10. if you encounter any problem during this phase then contact me before assembling for assistance to get it running first. 3 V Power supply; Package Inclusion. 15x25mm; LED matrix driver; 3. I wanted to go step ahead and play games with PS4 Jan 18, 2015 · What is the difference you perceive between controlling a 16x8 matrix and a 16x16 matrix (or a 32x8 matrix). Report repository Jun 23, 2017 · Hi guys, just some code for you to play with. io to drive a 16x16 LED matrix ("movies"/tickers) including editor served by Webserver on ESP32 Toggle items by clicking matrix items/row number/column number/ icon with shift key; Shift the matrix using arrow keys; Cyclically shift the matrix using arrow keys with shift key; Rotate the matrix clockwise or counterclockwise using ctrl+left/ctrl+right; Flip the matrix vertically using ctrl+up/ctrl+down; Copy and Paste the matrix using ctrl Oct 17, 2021 · Saved searches Use saved searches to filter your results more quickly You are about to report the project "A 16x16 LED matrix display from scratch", please tell us the reason. Using a dual board design, this kit yields a beautiful RGB LED matrix with a 6 mm pitch that is suitable for displaying LED image art or as a display for simple, retro video games. I hope you will be fun and happy using it. Getting the matrix wired up to the Pi was easy enough and getting the first prototype python script going was easy. External voltage supply for the LED Matrix (this is important since the LED Matrix consumes lots of power, especially when in full brightness). to/3KF3zbo Resistor 470 Ohm Wordclock for 16x16 led matrix esp32 Resources. 06. Heavily inspired by helping Allie (Geeky Faye) map a work-in-progress, the struggle in mapping my own creations, and by the excellent FastLED XY Map Generator by Garrett Mace of Macetech which in turn was inspired by Mark Kriegsman. Almost finished with it. Use the function to set limit at about 85% of max output of your supply. Most commonly, these are used with single-board computers such as the Raspberry Pi. Tested on a Teensy 3. You can find everything you need to build one at the following link:https: Oct 28, 2022 · To start, you need to have the following hardware components. It's verry nice to build and you learn a lot while doing it. Features. Yet, I did not manage to use directly the output and could not program the arduino to do it directly, so I made some functions in openoffice (yes, I still use that crap) to stitch together the hexa bits and do it image by image and paste the hexadecimal list result in the . In my first Instructable we will build a 16x16 LED matrix. Send message Hello, I really like your project and I think I have skills to help you. It supports many different export options, animations and different sizes of matrix. 16x16 Constant Current LED Driver HT16D33B 28SSOP Description The HT16D33A and HT16D33B are high accuracy constant current and memory mapping LED display controller/drivers. Jul 31, 2013 · These LED panels take care of all the work of making a big matrix display. If all works fine, then you can move to next stage of assembling the parts into your case. It's made on 16x16 led matrix. Dec 30, 2022 · The firmware can be installed via the esptool utility. With just a few clicks, you'll be able to send custom text, sensor data, and even automate the process. 2 stars. png in folder. Oct 16, 2021 · The device is made on 16x16 LED matrix with WS2812 chip on diodes which costs about 12 USD. Reload to refresh your session. In short: Tetris, Snake and Breakout games on 16x16 LED matrix, controlled from Android app via bluetooth, you can check out code creator's video. It's 16x16 chips, so 256 total. Is there an option that's easier than going full Python Introduction: 16x16 LED Matrix For our Game of Life workshop at Ithaca Generator we built a 3 foot by 3 foot LED matrix display with halved ping-pong balls for light diffusion. On 8 bit AVRs it might be a bit slow, but it should work anyway. (There is a link to his YT video on his github, I am limited on 2 links in post, as new user). So I'm trying to build some 16x16 RGB LED Matrix (which really means it's 16x(16*3) for RGB, the LEDs I'm using have a common positive and individual negatives, I'm using a constant current 16x LED driver / shift register for the positive side, but I'm not quite sure the cheapest way to do the negative side. It looks very simple, but it has some handy features: Online, free and safe. 4. LED-Matrix-16x16 RGB LED Matrix 16x16 View on GitHub LED-Matrix-16x16 A 16x16 RGB LED Matrix controlled by DMX over wifi. 아래 텍스트 생성 툴을 사용해 LED Dot-Matrix 폰트를 미리보기 하시고, 다양한 색상 및 수백 가지의 텍스트 효과를 이용하여 텍스트 기반 이미지나 로고를 만들어보세요. g. to/3ZZGLsC 16×16 256 pixel LED matrix : https://amzn. Party up with friends from all around the world to chat, hang out, explore MILLIONS of player-created rooms, or build something new and amazing to share with us all. This README will guide you through setting up and running your own LED matrix display. it also creates a log file with weather information for further usage (like… Led Matrix 16x16: Hello, This is my first instructable I've ever written, so excited to work on this :) So in this project, I'm gonna show ya how to make this awesome 16 by 16 led matrix. Apr 14, 2022 · Amazon. It has not been tested with 1D and very well won't work with that. ino file, instead of the code in the Baby Speaker folder. X_esp32_esp-led-matrix. It´s a noise field that is completely modulated by itself. Welcome to LED Matrix Magic! This project brings a 16x16 LED matrix to life using WS2812B LED strips, an ESP8266 microcontroller, and a slick web interface. 2. Dot Matrix Display size 16x16 from Ø1. This project brings a 16x16 LED matrix to life using WS2812B LED strips, an ESP8266 microcontroller, and a slick web interface. Pimoroni PIM676 - Stellar Unicorn (16x16 - 256 pixels) Gorgeous programmable LED matrix displays with wireless connectivity and oodles of fancy extras! Pimoroni's space Unicorns are very beautiful, all-in-one, RP2040 powered LED matrices perfect for conveying information fabulously (or for sprucing up your desktop, makingspace or imaginarium). Apache-2. It can be used to build visual panels that can show informations, warnings, or even a digital clock. Apr 15, 2023 · LED Matrix 16X16 With ESP8266 WLED Frosted glass (pane) PLA : https://amzn. Of course, you'll also need appropriate wire. Toggle LEDs using a mouse Toggle a whole row or column by clicking the appropriate matrix's index Shift Led Matrix 16x16: Hello, This is my first instructable I've ever written, so excited to work on this :) So in this project, I'm gonna show ya how to make this awesome 16 by 16 led matrix. 0 adding new functions: Active WiFi reconnect in case the WiFi connection got lost during runtime. Im not really sure how to begin changing it when I don't understand how the shift registers are getting their data. If you want to learn more about how to use the UNO R4 WiFi LED Matrix you can take a look at our documentation page. Upload the code attached and run it on your Board. Toggle LEDs using a mouse; Toggle a whole row or column by clicking the appropriate matrix's index; Shift the matrix Up, Down, Left or Right via the single click; Invert or Here is a classical arcade snake game. It is so much fun to see the matrix update in the corner of your eye and know that someone else is changing it live at that moment! I am posting this project because I would like everyone to have a simple place to come to play with one of these fantastic 16x16 RGB LED panels. The goal of this project was to be able to send pixel messages to my SO. RGBMatrixEmulator (currently) supports a subset of the function calls present in the Python bindings for rpi-rgb-led-matrix. com: BTF-LIGHTING 2 Pack WS2812B ECO RGB Alloy Wires 5050SMD Individual Addressable 16X16 256 Pixel LED Matrix Flexible FPCB Full Color Works with K-1000C,SP107E Controllers Image Video Text Display DC5V : Tools & Home Improvement 「Arduinoで16x16 LEDドットマトリックスを利用する(7)」 に続きます。 関連記事 ・Arduinoで16x16 LEDドットマトリックスを利用する(1) ・Arduinoで16x16 LEDドットマトリックスを利用する(2) ・Arduinoで16x16 LEDドットマトリックスを利用する(3) Nov 13, 2021 · Hi, I bought a 5v 10a power supply, wired it to my led panel. Oct 17, 2021 · You signed in with another tab or window. ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. When we use Line input, the incoming stereo signal is first converted to Set the option "LED setup" to 2D matrix or serpentine accordingly. A value could be anything – it could be the value of a dimmer, it could be used to trigger a sound effect, but for us, it’ll be the value of either red, blue, or green on an LED. Jan 19, 2022 · Explore a wide range of the best ws2812b led matrix 16x16 on AliExpress to find one that suits you! Besides good quality brands, you’ll also find plenty of discounts when you shop for ws2812b led matrix 16x16 during big sales. You can open the Serial Monitor windows at startup to see which IP is given to the ESP8266 by the WiFi network. Using software controlled PWM circuitry, the devices can generate a 256-step Gray Scale (PWM data) and 256 LED illumination levels. So, this is the second LED Matrix 1. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. to/3ZBNt8D Layer : 0. it also creates a log file with weather information for further usage (like… Sep 12, 2015 · Hi, I would like to introduce my new mini-project LED Matrix Editor created for the Arduino community. In the end you will have. Forget to watch my Tutorial video for more information I am trying to create an RGB LED (WS2812) matrix in KiCad 5. create image definitions suitable for 16x16 LED matrix from all . 2 with a 16x16 matrix so far but it should work with any matrix size / controller. The kids have been playing with electronics and programming their Raspberry Pi computer. Is there an option that's easier than going full Python Eachbid Pixel LED Display Panel 16x16 LED Matrix Panel Programmable with APP Control, Display Digital Calendar, 7. Code for 16x16 LED Matrix (WS2812) that reacts to sounds detected from an electret microphone, and switches modes with a momentary push button. The problem is you can see all the leds changing in realtime. Watchers. There is a free software called Led Matrix Control Software. RGB LED Matrix Instructable - Overview of design approach for the RGB LED matrix. 💖 I hope you like this Home Assistant setup guide for your smart home 💖 Well, it's not an easy process or I'm dumb. 16x16 Dot LED Matrix Display Arduino Hello World. See full list on github. This is online tool for editing and creating animations for LED dot matrices. you just connect your second 16x8 matrix after the first one, shift some more data into it, and that's it. 6 as Main Controller; ESP8266 as ArtNet Node; 3 TLC5940s for controlling brightness; 2 74CH595 Shift Registers for multiplexing; History. 3. com: BTF-LIGHTING WS2812B RGB 5050SMD Individually Addressable Digital 16x16 256 Pixels 6. I basically have a set of 16 strips that are lined up like so 0 > 1 > 2 > 3 > 4 Update: Use the new final . Most of the time… A selfmade IoT-Dashboard written in python and made out of 3 adafruit 16x8 LED matrix, a 24 LED bargraf from adafruit and Pimoroni's unicornhat (hd) + blinkt. 1 out of 5 stars Feb 21, 2018 · In this video, I will show you a couple of examples for a 16 by 16 RGB Led Matrix. Open your Arduino IDE or preferred code editor. It allows you to move around in the 'maze', switch display Both ways you suggested will work along with just running wires from the PSU to the 'Vin' pin on the ESP and 'power in' on the LED matrix (also connect grounds together too). , Cat1, Cat2, etc. Oct 20, 2024 · The LED Matrix Studio is free application designed for electronics enthusiasts who want to speed up the development of their LED and matrix projects. It is free and easy to use. Feb 27, 2019 · Tools & Home Improvement Best Sellers Deals & Savings Gift Ideas Power & Hand Tools WESIRI 16x16 LED Matrix 256 Pixels WS2812B Digital Flexible LED Panel Mar 31, 2016 · Hi, I recently bought this 16 x 16 matrix : 16x16 LED Display Module :Elecrow bazaar, Make your making Electronic modules projects easy. TOM-D**16. Click on LED to toggle single item; Click on row or column numbers to toggle whole row or column; Click on icon to clear/fill whole matrix; Shift the matrix Up, Down, Left or Right using arrow buttons; Invert matrix A selfmade IoT-Dashboard written in python and made out of 3 adafruit 16x8 LED matrix, a 24 LED bargraf from adafruit and Pimoroni's unicornhat (hd) + blinkt. There are two different releade binaries existing: vX. The This is a DIY kit to make a 16 by 16 RGB LED matrix consisting of discrete 5 mm RGB LEDs and a controller board design to be driven by a micro-controller. The panel has a HT1632C chip on the back with does all the multiplexing work for you and has a 3-pin SPI-like serial interface to talk to it and set LEDs on or off. I am currently reworking it all to have a json based "playlist" (so I can quickly upload and configure things for my kids), a clock, an outdoor weather report, and set the brightness levels to work with the time of day. By connecting the output of one matrix into the input of another, you can chain as many of these panels together as you'd like Jan 25, 2023 · Hi guys. What I want to do is switch off the led update, load all data, switch on led update. LED Matrix documentation. Every Day new 3D Models from all over the World. Readme License. Dec 16, 2020 · 16X16 256 LED Matrix WS2812 5050 RGB Dream Color Individually Addressable LED Programmable Display Screen led Panel with Integrated Drivers ; Awesome price for the LEDs. Information on LED Matrices. Does the arduino board need more power than my laptop can supply to control that many In this tutorial, we'll show you how to turn your WS2812 LED Matrix panel into a personalized message board using WLED and Home Assistant. Technical Details on 16x16 RGB LED Matrix - Technical information on the 16x16 RGB LED Matrix kit. Jul 18, 2016 · Hey everyone, I'm working on a project with a 16x16 ws2812 matrix. Each panel has six 8x8 red matrix modules, for a 16x24 matrix. 1 pc This is an extremely basic and early version of a pixel art generator targeted for WS281x 16x16 LED matrix panels. ino of the arduino. This requires v0. Chances are, you won't use full brightness on a matrix anyway. I discovered those 16x16 pixel WS2812b LED matrix displays on aliexpress and found them really neat and quite easy to control using an ESP8266 mcu. You signed out in another tab or window. Does anyone know or have a commented version of this code? Thanks 10000+ "16x16 led matrix" printable 3D Models. I have grabbed ideas from other projects and modified them for this project. 2024: Release of software version V3. As such The RAK14012 RGB LED Matrix interface can control RGB LED matrix with up to 16x16 LED's. 4 to Ø3 Dot 16x16 LED Matrix Frame. 05. Ps: Depending on your matrix 16 on 16 Led matrix module consist 256 WS2812 adressable Leds (Such matrices are sold at a price of 10 to 15 dollars to Aliexpress) The device also contains a DFPLAYER module that contains mp3 audio files needed for the alarm, or background sounds Jul 16, 2020 · That worked, but 8x8 is very small to do anything interesting and so I wanted to give it another go, create a larger 16x16 panel, design a custom PCB and ultimately hook it up to a microcontroller LED Matrix Editor - is online tool for editing and creating animations for 8x8 LED matrices. Chain-able design. Power Supply: One panel (256 LEDs) works fine, but adding a second (512 LEDs)… Jan 4, 2024 · Welcome to "Pixel Perfection," your ultimate DIY guide to creating stunning pixel art on any LED matrix – and the best part? No coding needed! 🎨 In this st. obviously a LED matrix with 256 LEDs that are all individually controllable; a web page hosted on a microcontroller which allows you to create pixel art live from the web page on the matrix; save creations; display all previous creations in a loop May 15, 2019 · Ive made a 16x16 led matrix, made from 4 x max7219 modules, what I want to do is use it as a large sprite display The best result I've had so far is using MaxMatix. I am trying to create an RGB LED (WS2812) matrix in KiCad 5. 2 Hull & base as well as grid for the LED's PLA : https://amzn. to/41xn6Bq Layer : 0. com Sep 12, 2015 · I would like to introduce my new mini-project LED Matrix Editor created for the Arduino community. ino; Locate the section of the sketch where you want to display the image. The schematics is easy enough using copy and paste, but is there an easy way to do the placement + layout in pcbnew? The create array function doesn't work because it doesn't change the refdes'. RGB LED Matrix Github Project - includes hardware design using Fritzing and drivers for both Arduino and Teensy boards. No glue, tape or screws needed; Accessible USB port; Wall- or desk-mounted; Snap-fit sockets for ESP-WROOM-32, MAX4466 or MAX9814 microphone and DC Power Connector for easy installation Nov 7, 2022 · 256 RGB LEDs are arranged in a 16x16 grid, WS2812 Addressable LEDs were used so no LED Driver or complex multiplexing circuit has been added to this board. com: BTF-LIGHTING WS2812B ECO RGB Alloy Wires 5050SMD Individual Addressable 16X16 256 Pixels LED Matrix Flexible FPCB Full Color Works with K-1000C,SP107E,etc Controllers Image Video Text Display DC5V : Tools & Home Improvement LED Matrix Editor - the online tool for animating your matrix. Stars. RAK14012 RGB LED Matrix Module (this module already includes one 16x16 LED RGB matrix). FastLED is the library and as it comes with examples it is no big thing to show some colorful animations on the matrix. Feb 17, 2010 · Along the lines of the cool LED matrix animation editor a few posts below, I came up with a way to simulate 8x8, 16x16, 32x32 LED displays so I could write maze processing code while on the road and not connected to any electronics.
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